HOTKEYエディターで表示しないように作成する場合

hotkey -fs;
でHOTKEYを初期化で削除できます。

$hotKey1 = `nameCommand
-annotation "Point_Snap"
-command "string $OBJS_01= `ls -sl`;SelectVertexMask;select -r $OBJS_01[0];MoveTool;snapMode -point true;"`;
hotkey -k "z" -name $hotKey1;

$hotKey2 = `nameCommand
-annotation "marge0.001"
-command "string $OBJS_01= `ls -sl`;snapMode -point false;SelectToggleMode;polyMergeVertex -d 0.001 -am 1 -ch 1;SelectToggleMode;select -r $OBJS_01[0];"`;
hotkey -k "z" -releaseName $hotKey2;